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Fall 2021 Weather History at St. Catharines/Niagara District Airport Canada

This report shows the past weather for St. Catharines/Niagara District Airport, providing a weather history for the fall of 2021. It features all historical weather data series we have available, including the St. Catharines/Niagara District Airport temperature history for the fall of 2021. You can drill down from year to month and even day level reports by clicking on the graphs.

St. Catharines/Niagara District Airport Temperature History in the Fall of 2021

History:202320222021202020192018201720162015
Temperature history in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FSummerWinter
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Hourly Temperature in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWintervery coldcoolwarmcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Cloud Cover in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Observed Weather in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Observed Weather in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Sun, Sep 5 Showers of Light Rain, Mist-SHRA, BR
Mon, Sep 6 Thunderstorm with Light Rain-TSRA
Tue, Sep 7 Thunderstorm with Light Rain, Showers of Light Rain, Mist-TSRA, -SHRA, BR
Wed, Sep 8 Thunderstorm with Light Rain, Showers of Rain, Showers of Light Rain, Showers in the Vicinity-TSRA, SHRA, -SHRA, VCSH
Thu, Sep 9 Thunderstorm with Heavy Rain, Thunderstorm with Light Rain, Mist+TSRA, -TSRA, BR
Sun, Sep 12 Thunderstorm with Light Rain, Light Rain, Showers of Light Rain, Light Drizzle, Mist-TSRA, -RA, -SHRA, -DZ, BR
Mon, Sep 13 Thunderstorm, Light Rain, Mist, Shallow FogTS, -RA, BR, MIFG
Thu, Sep 16 Shallow FogMIFG
Sat, Sep 18 Showers of Light Rain-SHRA
Tue, Sep 21 Light Rain, Showers of Light Rain, Mist-RA, -SHRA, BR
Wed, Sep 22 Heavy Rain, Rain, Light Rain, Mist+RA, RA, -RA, BR
Thu, Sep 23 Light Rain, Showers in the Vicinity-RA, VCSH
Sat, Sep 25 Light Rain-RA
Sun, Oct 3 Light Rain, Light Drizzle, Mist-RA, -DZ, BR
Mon, Oct 4 Light Rain, Light Drizzle, Mist-RA, -DZ, BR
Tue, Oct 5 Light Drizzle, Mist-DZ, BR
Wed, Oct 6 Fog, Mist, Patches of FogFG, BR, BCFG
Thu, Oct 7 Fog, MistFG, BR
Fri, Oct 8 Fog, MistFG, BR
Sat, Oct 9 Light Rain, Showers of Light Rain, Mist, Showers in the Vicinity-RA, -SHRA, BR, VCSH
Tue, Oct 12 Showers of Light Rain, Showers in the Vicinity-SHRA, VCSH
Thu, Oct 14 Shallow FogMIFG
Fri, Oct 15 Thunderstorm, Thunderstorm with Light Rain, Light Rain, MistTS, -TSRA, -RA, BR
Sat, Oct 16 Light Rain, Mist-RA, BR
Sun, Oct 17 Light Rain, Showers of Light Rain, Showers in the Vicinity-RA, -SHRA, VCSH
Mon, Oct 18 Light Rain, Showers of Light Rain, Showers in the Vicinity-RA, -SHRA, VCSH
Wed, Oct 20 Light Rain, Showers of Light Rain-RA, -SHRA
Thu, Oct 21 Thunderstorm with Light Rain, Light Rain, Showers of Light Rain-TSRA, -RA, -SHRA
Sat, Oct 23 Showers in the VicinityVCSH
Sun, Oct 24 Showers of Light Rain-SHRA
Mon, Oct 25 Rain, Light Rain, MistRA, -RA, BR
Tue, Oct 26 Light Rain, Mist-RA, BR
Fri, Oct 29 Light Rain-RA
Sat, Oct 30 Light Rain, Showers of Light Rain, Light Drizzle, Mist-RA, -SHRA, -DZ, BR
Sun, Oct 31 Light Rain, Mist-RA, BR
Tue, Nov 2 Showers of Light Rain-SHRA
Wed, Nov 3 Showers of Light Rain and Ice Pellets, Showers of Light Rain, Showers in the Vicinity-SHRAPL, -SHRA, VCSH
Thu, Nov 4 Showers in the VicinityVCSH
Mon, Nov 8 Shallow FogMIFG
Tue, Nov 9 Light Rain, Mist-RA, BR
Fri, Nov 12 Light Rain, Showers of Light Rain, Mist, Showers in the Vicinity-RA, -SHRA, BR, VCSH
Sat, Nov 13 Light Rain-RA
Sun, Nov 14 Showers of Light Rain, Light Drizzle, Mist-SHRA, -DZ, BR
Thu, Nov 18 Light Rain, Showers of Light Rain-RA, -SHRA
Sun, Nov 21 Light Rain, Mist-RA, BR
Mon, Nov 22 Showers of Light Snow-SHSN
Thu, Nov 25 Light Rain, Showers of Light Rain, Mist-RA, -SHRA, BR
Fri, Nov 26 Light Snow, Light Rain and Snow, Light Rain, Freezing Fog, Mist-SN, -RASN, -RA, FZFG, BR
Sat, Nov 27 Light Snow-SN
Sun, Nov 28 Snow, Light SnowSN, -SN
Mon, Nov 29 Showers of Light Snow-SHSN
Tue, Nov 30 Light Snow, Light Rain and Snow, Light Snow and Rain, Mist-SN, -RASN, -SNRA, BR

Hours of Daylight and Twilight in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Hours of Daylight and Twilight in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSummerWinterSep 2212 hr, 9 minSep 2212 hr, 9 minnightnightdaydayNov 309 hr, 15 minNov 309 hr, 15 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Sunrise & Sunset with Twilight and Daylight Saving Time in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter6:41 AM6:41 AMSep 17:51 PMSep 17:51 PM7:28 AM7:28 AMNov 304:42 PMNov 304:42 PM7:58 AM7:58 AMNov 66:01 PMNov 66:01 PM7:03 AM7:03 AMSep 217:15 PMSep 217:15 PMDSTNov 7DSTNov 7
The solar day over the course of the Fall of 2021. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Solar Elevation and Azimuth in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Solar Elevation and Azimuth in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSummerWinter010202030600010203040
northeastsouthwest
Solar elevation and azimuth in the the fall of 2021. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Moon Rise, Set & Phases in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSummerWinterAug 89:51 AMAug 89:51 AMAug 228:03 AMAug 228:03 AMSep 68:52 PMSep 68:52 PMSep 207:55 PMSep 207:55 PMOct 67:06 AMOct 67:06 AMOct 2010:57 AMOct 2010:57 AMNov 45:15 PMNov 45:15 PMNov 193:58 AMNov 193:58 AMDec 42:44 AMDec 42:44 AMDec 1811:36 PMDec 1811:36 PM9:05 PM9:05 PM8:15 PM8:15 PM6:18 AM6:18 AM5:59 AM5:59 AM8:02 PM8:02 PM7:35 PM7:35 PM7:29 AM7:29 AM7:16 PM7:16 PM6:22 PM6:22 PM7:26 AM7:26 AM7:25 AM7:25 AM6:09 PM6:09 PM4:34 PM4:34 PM7:27 AM7:27 AM4:59 PM4:59 PM4:13 PM4:13 PM8:20 AM8:20 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

Humidity Comfort Levels in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Humidity Comfort Levels in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Wind Speed in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mph70 mph70 mphSummerWinter
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Hourly Wind Speed in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.

Hourly Wind Direction in 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Hourly Wind Direction in 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Fall of 2021 at St. Catharines/Niagara District Airport

History:202320222021202020192018201720162015
Atmospheric Pressure in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov29.0 inHg29.0 inHg29.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHgSummerWinter
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Reports by Month

Reports by Month at St. Catharines/Niagara District Airport194019501960197019801990200020102020198319831984198419851985198619861987198719881988198919891990199019911991199219921993199319941994199519951996199619971997199819981999199920002000200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Fall of 2021 at St. Catharines/Niagara District Airport 2021

Number of Reports by Day in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov002424SummerWinter
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Fall of 2021 at St. Catharines/Niagara District Airport 2021

Reports by Hour in the Fall of 2021 at St. Catharines/Niagara District AirportSepOctNov12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSummerWinter
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at St. Catharines/Niagara District Airport in the fall of 2021.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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